powerpc/32: Avoid #ifdef nested with FTR_SECTION on booke syscall entry

On booke, SYSCALL_ENTRY macro nests an FTR_SECTION with a #ifdef
CONFIG_KVM_BOOKE_HV.

Duplicate the single instruction alternative to avoid nesting.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/33db61d5f85146262dbe26648f8f87eca3cae393.1622818435.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 10f3114..87b806e 100644 (file)
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -128,10 +128,10 @@ BEGIN_FTR_SECTION
        mr      r12, r13
        lwz     r13, THREAD_NORMSAVE(2)(r10)
 FTR_SECTION_ELSE
-#endif
        mfcr    r12
-#ifdef CONFIG_KVM_BOOKE_HV
 ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
+#else
+       mfcr    r12
 #endif
        mfspr   r9, SPRN_SRR1
        BOOKE_CLEAR_BTB(r11)